• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Heat and Mass Transfer

Heat and Mass Transfer
The unit of overall coefficient of heat transfer is

kcal/m² hr °C
kcal/m²
kcal/m hr °C
kcal/hr °C

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Planck’s law holds good for

polished bodies
all coloured bodies
black bodies
All of these

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Unit of thermal conductivity in S.I. units is

J/m² sec
Option (B) and (C) above
W/m °K
J/m °K sec

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Depending on the radiating properties, a body will be opaque when

X = 0, a + p = 1
P=1, x = 0 and a = 0
P = 0, x = 1 and a = 0
P = 0, x = 0 and a = 1

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
Depending on the radiating properties, a body will be white when(Where a = absorptivity, p = reflectivity, x = transmissivity)

P=1, T = 0 and a = 0
P = 0, x = 1 and a = 0
P = 0, x = 0 and a = 1
X = 0, a + p = 1

ANSWER DOWNLOAD EXAMIANS APP

Heat and Mass Transfer
According to Dalton's law of partial pressures, (where pb = Barometric pressure, pa = Partial pressure of dry air, and pv = Partial pressure of water vapour)

Pb = pa + pv
Pb = pa/pv
Pb = pa × pv
Pb = pa - pv

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Heat and Mass Transfer

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑